Blue quartz and Biotite Physical Properties

Blue quartz and Biotite Chemical Formula

While comparing Blue quartz and Biotite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Blue quartz and Biotite chemical formula.

• Chemical formula of Blue quartz- SiO2 with dumortierite
• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Blue quartz and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue quartz and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue quartz and Biotite Optical Properties during the identification of gemstone. Specific gravity of Blue quartz is 2.7-3.3 whereas that of Biotite is 2.7-3.3.